I like Maggie Steifvater's tactic of creating a pdf of one of her titles, that repeated just the four first chapters, with a warning message on piracy. This caused a whirlwind of discussion on the forums, and, ultimately, an increase in sales of her book on Amazon.

I like Maggie Steifvater's tactic of creating a pdf of one of her titles, that repeated just the four first chapters, with a warning message on piracy. This caused a whirlwind of discussion on the forums, and, ultimately, an increase in sales of her book on Amazon.